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A198707
Number of nX7 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor
0
11, 27422, 77622801, 316137386807, 1259339424693241
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OFFSET
1,1
COMMENTS
Column 7 of
A198708
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions with all values 0 to 4 for n=3
..0..0..1..1..2..2..3....0..0..1..2..0..3..3....0..0..1..1..2..1..1
..0..0..0..3..4..4..3....0..0..1..2..0..0..4....0..0..0..2..2..3..3
..0..0..3..3..3..0..0....0..0..1..2..0..0..4....0..0..0..0..4..4..4
CROSSREFS
Sequence in context:
A264917
A198668
A346206
*
A198626
A343119
A295176
Adjacent sequences:
A198704
A198705
A198706
*
A198708
A198709
A198710
KEYWORD
nonn
AUTHOR
R. H. Hardin
Oct 29 2011
STATUS
approved
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Last modified August 31 17:11 EDT 2024. Contains 375572 sequences. (Running on oeis4.)